Uncontrolled cell growth in the tissues of the lungs can result in the formation of a malignant tumour, also known as lung cancer. There are two types of lung carcinomas:
Types of Lung Cancer
There are two major types of Lung Cancer.
People who smoke are more prone to lung cancers. Risk of developing lung cancer increases proportionally with the number of cigarettes smoked and the period over which they have been smoked. You can considerably reduce your chances of developing lung cancer if you quit smoking, even after smoking for many years.
Lung cancer in its earliest stages typically doesn’t show any signs and symptoms. Symptoms start showing up only when the tumour has reached an advanced stage.
Signs and symptoms may include:
When to see a doctor
If you have any of these signs or symptoms make an appointment with your doctor immediately.
Risk factors for Lung Cancer
The risk of developing lung cancer may increase due to several factors. It is possible to control some risk factors while other factors can’t be controlled.
How Smoking causes Lung Cancer
Smoking damages the cells that line the lungs thereby causing lung cancer. Cigarette smoke is full of carcinogens (cancer-causing substances), and when you inhale this smoke there will be changes in the lung tissue.
Initially, this damage gets repaired by your body. But normal cells that line your lungs get damaged beyond repair with repeated exposure. The damage causes cells to act abnormally over time, eventually leading to cancer.
You can reduce the risk of lung cancer but there is no sure way to prevent it:
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